diff --git a/sysutils/lsof/Makefile b/sysutils/lsof/Makefile
index 66b2f9e406c8..2b1c54119002 100644
--- a/sysutils/lsof/Makefile
+++ b/sysutils/lsof/Makefile
@@ -3,7 +3,7 @@
 
 PORTNAME=	lsof
 DISTVERSION=	4.93.2
-PORTREVISION=	2
+PORTREVISION=	3
 PORTEPOCH=	8
 CATEGORIES=	sysutils
 
diff --git a/sysutils/lsof/files/patch-dialects-freebsd-dlsof.h b/sysutils/lsof/files/patch-dialects-freebsd-dlsof.h
index 8bf6ea00adeb..f7bb13fdc057 100644
--- a/sysutils/lsof/files/patch-dialects-freebsd-dlsof.h
+++ b/sysutils/lsof/files/patch-dialects-freebsd-dlsof.h
@@ -1,4 +1,4 @@
---- dialects/freebsd/dlsof.h.orig	2019-05-22 14:37:20 UTC
+--- dialects/freebsd/dlsof.h.orig	2019-05-08 07:32:25 UTC
 +++ dialects/freebsd/dlsof.h
 @@ -45,6 +45,12 @@
  #include <signal.h>
@@ -13,3 +13,16 @@
  # if	FREEBSDV>=4000
  #  if	FREEBSDV>=5000
  #   if	FREEBSDV<6020
+@@ -104,6 +110,12 @@ typedef	struct device	*device_t;
+ 
+ 
+ #include <sys/conf.h>
++
++/* 
++ * include <stdbool.h> for refcount(9)
++ */
++#include <stdbool.h>
++ 
+ 
+ #  if	defined(HAS_VM_MEMATTR_T)
+ #undef	vm_memattr_t